Redirect logged-in users to dashboard; scope dashboard stats to visible sets

app/routes/main.py

@@ -1,7 +1,8 @@
 from flask import Blueprint, render_template, redirect, url_for
-from flask_login import login_required
+from flask_login import login_required, current_user
 from app.models.set import Set
 from app.models.instruction import Instruction
+from app.models.site_setting import SiteSetting
 from sqlalchemy import func
 
 main_bp = Blueprint('main', __name__)
@@ -9,7 +10,10 @@ main_bp = Blueprint('main', __name__)
 
 @main_bp.route('/')
 def index():
-    """Homepage."""
+    """Homepage, or straight to the dashboard for logged-in users."""
+    if current_user.is_authenticated and \
+            SiteSetting.get_bool('home_redirect_dashboard', True):
+        return redirect(url_for('main.dashboard'))
     return render_template('index.html')
 
 
@@ -17,24 +21,32 @@ def index():
 @login_required
 def dashboard():
     """User dashboard with statistics and recent sets."""
-    # Get statistics
-    total_sets = Set.query.count()
-    total_instructions = Instruction.query.count()
+    # Everything below is scoped to what this user is allowed to see.
+    visible = Set.visible_to(current_user)
+    visible_ids = [row.id for row in visible.with_entities(Set.id).all()]
 
-    # Get theme statistics
+    total_sets = len(visible_ids)
+    total_instructions = Instruction.query.filter(
+        Instruction.set_id.in_(visible_ids)).count() if visible_ids else 0
+
+    if visible_ids:
         theme_stats = db.session.query(
             Set.theme,
             func.count(Set.id).label('count')
-    ).group_by(Set.theme).order_by(func.count(Set.id).desc()).limit(5).all()
+        ).filter(Set.id.in_(visible_ids)).group_by(Set.theme).order_by(
+            func.count(Set.id).desc()).limit(5).all()
 
-    # Get recent sets
-    recent_sets = Set.query.order_by(Set.created_at.desc()).limit(6).all()
-    
-    # Get sets by year
         year_stats = db.session.query(
             Set.year_released,
             func.count(Set.id).label('count')
-    ).group_by(Set.year_released).order_by(Set.year_released.desc()).limit(10).all()
+        ).filter(Set.id.in_(visible_ids)).group_by(Set.year_released).order_by(
+            Set.year_released.desc()).limit(10).all()
+    else:
+        theme_stats = []
+        year_stats = []
+
+    recent_sets = Set.visible_to(current_user).order_by(
+        Set.created_at.desc()).limit(6).all()
     
     return render_template('dashboard.html',
                          total_sets=total_sets,